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2130449000 = 23534914339
BaseRepresentation
bin111111011111100…
…0001001001101000
312111110211000121112
41332333001021220
513330343332000
6551222525452
7103536342401
oct17677011150
95443730545
102130449000
119a3645959
124b5596888
1327c4bc314
14162d349a8
15c707e235
hex7efc1268

2130449000 has 64 divisors (see below), whose sum is σ = 4996555200. Its totient is φ = 850248000.

The previous prime is 2130448997. The next prime is 2130449017. The reversal of 2130449000 is 9440312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488831 + ... + 493169.

It is an arithmetic number, because the mean of its divisors is an integer number (78071175).

Almost surely, 22130449000 is an apocalyptic number.

2130449000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130449000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498277600).

2130449000 is an abundant number, since it is smaller than the sum of its proper divisors (2866106200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130449000 is a wasteful number, since it uses less digits than its factorization.

2130449000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2130449000 is about 46156.7871498873. The cubic root of 2130449000 is about 1286.7387525573.

Adding to 2130449000 its reverse (9440312), we get a palindrome (2139889312).

The spelling of 2130449000 in words is "two billion, one hundred thirty million, four hundred forty-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 491 500 982 1000 1964 2455 3928 4339 4910 8678 9820 12275 17356 19640 21695 24550 34712 43390 49100 61375 86780 98200 108475 122750 173560 216950 245500 433900 491000 542375 867800 1084750 2130449 2169500 4260898 4339000 8521796 10652245 17043592 21304490 42608980 53261225 85217960 106522450 213044900 266306125 426089800 532612250 1065224500 2130449000